Home / 3,179.26-4,770.71-2,637.98

Finding the Fourth Proportional to 3,179.26, 4,770.71 and 2,637.98

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Solution

The fourth proportional to 3,179.26, 4,770.71 and 2,637.98 is: 3,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.26 : 4,770.71 = 2,637.98 : x
  2. Step 2: Convert to fraction form
    3,179.26/4,770.71 = 2,637.98/x
  3. Step 3: Cross multiply
    3,179.26x = 4,770.71 × 2,637.98
  4. Step 4: Simplify right side
    3,179.26x = 12,585,037.57
  5. Step 5: Solve for x
    x = 12,585,037.57/3,179.26
  6. Step 6: Final answer
    x = 3,958.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.